2014
Q.
Set A
Geography
Drainage System
Consider the following rivers:
- Barak
- Lohit
- Subansiri
Which of the above flows/flow through Arunachal Pradesh?
Smart Elimination
Clue from the question: All three rivers are in the North-East India context.
• Barak → flows through Manipur, Assam (originates from Manipur/Nagaland hills, not Arunachal).
• Lohit and Subansiri → are major tributary of the Brahmaputra originating in Arunachal Pradesh → likely correct.
Potential Trap
Barak Valley: Often confused with Brahmaputra tributaries. Barak flows south through Manipur, Mizoram, and Assam into Bangladesh (becoming Meghna). It does not touch Arunachal.
Answer Key & Explanation
Answer: BThe correct answer is Option B.
Explanation:
- Barak: Originates in Manipur, flows through Mizoram and Assam. It does not flow through Arunachal Pradesh.
- Lohit: A tributary of the Brahmaputra, it flows through Arunachal Pradesh.
- Subansiri: A major tributary of the Brahmaputra, flows through Arunachal Pradesh.
Value Addition
- National Waterway 6: Proposed on River Barak.
- Majuli Island: Formed by the Brahmaputra and its tributaries like Subansiri.
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Questions
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Difficulty Assessment
medium
Foundational question based on core concepts.